biofuels

Biofuels

Raw material are cheap and readily available

Fairly clean not many particulate produced or significant amounts of sulfur dioxide

Dead plnts when alive photosynthesised rmoving cardon dioxide= blances carbon dioxide released when burning biogas

Plants which decomposes to make biofuel can be repalced very quickly with new crops.

It's renewable

Alcohol = sugar

But distilling etanol from fermentation takes lots of energy so not a good idea or perfect solution.

Advantage

Crops abosorb carbon dioxide from atmosphere for photosynthesis which balances co2 thtas released when gasohol is burnt.

Less crude oil is being used

Diadvantage is that it needs lots of land to grow the crop needed which means less land for food crops.

Cars can run on 10% ethanol and 90% petrol also known as gasohol.

Can be produced by using yeasy to ferment sugar. Sugar cane, sugar beet can be used to in production of ethanol.

Only gives out carbon dioxide and water

Ethanol = fuel

Made by MICROORGANISMS

Can be used as fuels for car or buses

Can be burnt to heat water, central heating sysytem, power turbine= generate electricity

Used to decompose living organism's waste or dead plants to create biogas= fuel